Comparison of Power Loss Due to Corona Phenomena Model with Peek's Formula in High Voltage 115 kV and 230 kV System

Tonmitr, Kittipong; Ratanabuntha, Tharin

doi:10.1016/j.procs.2016.05.037

Cited by 8 publications

(5 citation statements)

References 1 publication

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“…As an illustration, More than 300 units of the medium voltage (TM) cubicle at the distribution substation of PT PLN (Persero) Distribution Jaya and Tangerang have been damaged annually, where the impact of corona discharge caused the most damage [10]. Therefore, it is necessary to have a monitoring system that is able to Miftahul Fikri 1*) , Christiono 2) , Iwa Garniwa Mulyana K 3) , Titi Ratnasari 4) , Kurniawan Atmadja 5) , Andi Amar Thahara 6) and Muhammad Luthfiansyah Romadhoni provide up-to-date information from all scattered cubicles and can be seen at the control center. Therefore, a clustering method with high accuracy is needed.…”

Section: Figure 1 Corona On Transmission Line (Sutet) Insulatormentioning

confidence: 99%

“…The cubicle is applied to a voltage of 20 kV, which can cause symptoms of corona discharge (CD), which, if it continues, will cause electrical failure or short circuit, especially if the condition is humid or rainy [5]. Corona discharge is a phenomenon because of partial discharge from high voltage electrical energy colliding with gas molecules in the air when the electric field voltage exceeds a critical level, causing audible noise, frequency noise to the communication system, and loss of power on the anomaly of transmission line [6], [7]. [8] The corona produces a violet (purple) colored light followed by a hissing sound, creating the smell of ozone.…”

Section: Introductionmentioning

confidence: 99%

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Optimization Objective Function Corona Discharge Acoustic Using Fuzzy c-Means (FcM )

Fikri,

Christiono,

Mulyana K

et al. 2023

ELKHA

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In many electrical networks in Indonesia, insulation failure due to high voltage phenomena like Corona Discharge (CD) still happens. This is a result of our inability to perform early Corona Discharge (CD) identification. This study’s objective is to optimalize the sound properties of Corona Discharge (CD) as a first step throught the early identification of insulation failure in the form of clustering 20 kV cubicle. Based on observations on the needle-rod electrode 3 cm apart, the smallest breakdown was obtained at 34.3 kV. So that the classification of CD sound by 3 clusters starting 20 kV cubicle voltage until before the failure occurs on 33 kV. The temperature in the cubical is between 27.5℃ - 35.3℃ and humidity ranges from 70% - 95%. It was stated in the study that the FcM method was the most widely used and successful method. In this case, FcM can obtain more flexible results that classify data into clusters easily. This research will be carried out using the Fuzzy c-Means (FcM) method. Feature extraction with linear predictive coding (LPC) method, then optimization by using the Fuzzy c-Means (FcM) method which is expected to be used as an initial step for early detection of insulation failure.

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Section: Figure 1 Corona On Transmission Line (Sutet) Insulatormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Optimization Objective Function Corona Discharge Acoustic Using Fuzzy c-Means (FcM )

Fikri,

Christiono,

Mulyana K

et al. 2023

ELKHA

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“…Korona adalah fenomena yang disebabkan oleh pelepasan muatan sebagian yang disebabkan oleh energi listrik tegangan tinggi yang bertabrakan dengan molekul gas di udara ketika tegangan medan listrik melebihi tingkat kritis yang menyebabkan kebisingan yang dapat didengar, kebisingan frekuensi ke sistem komunikasi dan kehilangan daya pada saluran transmisi overhead (Tonmitr & Ratanabuntha, 2016). Korona menghasilkan cahaya berwarna violet (ungu) (Syahbana, 2019) diikuti suara yang mendesis serta menimbulkan bau ozon (ELGANAI, 2019) dan (Agus setiawan, 2021).…”

Section: Pendahuluanunclassified

Analisa Pemilihan Metode Peterson Dan Peek Terhadap Rugi-Rugi Daya Akibat Korona Pada Sutet 275 Kv Payakumbuh - Kiliranjao

Putra

Erhaneli²

2022

STSP

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Saluran transmisi merupakan saluran yang menghubungkan unit pembangkit dengan unit distribusi dalam menyalurkan energi listrik ke konsumen atau beban dengan perantara tegangan tinggi yang berjenis saluran udara. Saluran transmisi memiliki kriteria yaitu saluran pendek, menengah maupun panjang. Semakin panjang saluran transmisi maka semakin banyak kasus yang terjadi. Salah satunya dijumpai khususnya saluran udara berupa terjadinya peristiwa korona yang disebabkan oleh faktor kondisi cuaca, luas penampang yang digunakan, jarak antara konduktor berkas, kondisi permukaan penghantar ataupun isolator dan tegangan sistem. Tujuan dari penelitian ini adalah melihat pengaruh cuaca, luas penampang yang digunakan, jarak antara konduktor berkas, kondisi permukaan penghantar ataupun isolator dan tegangan sistem terhadap rugi-rugi daya dan penurunan efisiensi yang diakibatkan oleh korona pada SUTET 275 kV Payakumbuh -Kiliranjao dengan panjang saluran 126,4 km. Korona ditandai dengan adanya cahaya ungu (Violet) yang sangat tampak yang dapat dilihat pada malam dan menyebabkan terjadinya rugi-rugi daya. Rugi-rugi daya yang diakibatkan oleh korona pada Saluran Udara Tegangan Ekstra Tinggi (SUTET) harus diperhitungkan, karena pada tegangan diatas 100 kV gejala korona sudah mulai serius. Perhitungan dilakukan dengan menggunakan persamaan Peterson berdasarkan data teknis dan profil daya SUTET 275 kV Payakumbuh ke Kiliranjao serta data suhu. Dari perhitungan dapat disimpulkan bahwa Rugi-rugi daya yang diperoleh dari persamaan Peterson dengan nilai efisiensinya sama besar (94,8 kW dan 99 %). Hal tersebut dipengaruhi oleh suhu yang dari rentang Bulan Agustus 2021 s/d Juli 2022 nilai suhu hampir mendekati sama dan mengakibatkan nilai tegangan kritis desruptif sama besar.

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“…Also decreasing the cross-section area of the conducting materials could also boost power losses in the transmission line [3] [4]. Further losses are known to be induced by the appreciable disparity between the phase and disruptive voltages, transmission frequency, and diameter (or radius) of the conducting materials [4] [5]. Conversely, decreasing air density increases losses due to environmental or weather conditions [7] [8].…”

Section: Introductionmentioning

confidence: 99%

Minimization of Electric Power Losses on 132 kV and 220 kV Uganda Electricity Transmission Lines

Living¹,

Nnamchi²,

Ukagwu³

et al. 2023

EPE

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The classical minimization of power losses in transmission lines is dominated by artificial intelligence techniques, which do not guarantee global optimum amidst local minima. Revolutionary and evolutionary techniques are encumbered with sophisticated transformations, which weaken the techniques. Power loss minimization is crucial to the efficient design and operation of power transmission lines. Minimization of losses is one way to meet steady grid supply, especially at peak demand. Thus, this paper has presented a gradient technique to obtain optimal variables and values from the power loss model, which efficiently minimizes power losses by modifying the traditional power loss model that combines Ohm and Corona losses. Optimality tests showed that the unmodified model does not support the minimization of power losses on transmission lines as the Hessian matrix portrayed the maximization of power losses. However, the modified model is consistent with the gradient method of optimization, which yielded optimum variables and values from the power loss model developed in this study. The unmodified (modified) models for Bujagali-Kawanda 220 kV and Masaka West-Mbarara North 132 kV transmission lines in Uganda showed maximum power losses of 0.406 (0.391) and 0.452 (0.446) kW/km/phase respectively. These results indicate that the modified model is superior to the unmodified model in minimizing power losses in the transmission lines and should be implemented for the efficient design and operation of power transmission lines within and outside Uganda for the same transmission voltages.

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Comparison of Power Loss Due to Corona Phenomena Model with Peek's Formula in High Voltage 115 kV and 230 kV System

Cited by 8 publications

References 1 publication

Optimization Objective Function Corona Discharge Acoustic Using Fuzzy c-Means (FcM )

Optimization Objective Function Corona Discharge Acoustic Using Fuzzy c-Means (FcM )

Analisa Pemilihan Metode Peterson Dan Peek Terhadap Rugi-Rugi Daya Akibat Korona Pada Sutet 275 Kv Payakumbuh - Kiliranjao

Minimization of Electric Power Losses on 132 kV and 220 kV Uganda Electricity Transmission Lines

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